258221474

素因数分解:

$2^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{3257}}^1$

素因数の和:4082

約数の個数: 24

約数和(自身を含む): 451265580

約数和(自身を除く): 193044106

約数列:

[1, 2, 7, 14, 49, 98, 809, 1618, 3257, 5663, 6514, 11326, 22799, 39641, 45598, 79282, 159593, 319186, 2634913, 5269826, 18444391, 36888782, 129110737, 258221474]

約数ペア:

[(1, 258221474), (2, 129110737), (7, 36888782), (14, 18444391), (49, 5269826), (98, 2634913), (809, 319186), (1618, 159593), (3257, 79282), (5663, 45598), (6514, 39641), (11326, 22799)]